package com.cinema.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class LoginFilter implements Filter {

    /**
     * Default constructor. 
     */
    public LoginFilter() {
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
	}

	public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
			FilterChain chain) throws IOException, ServletException {
		HttpServletRequest request=(HttpServletRequest)servletRequest;
		HttpServletResponse response = (HttpServletResponse) servletResponse;
		response.setContentType("text/html,charset=utf-8");
		Object sessionManage=request.getSession().getAttribute("loginManage");
		Object sessionUser= request.getSession().getAttribute("loginUser");
		String url=request.getRequestURI();
		if(sessionUser !=null ||sessionManage!=null || "/amberTimeCinema/login.jsp".equals(url)){
			chain.doFilter(request, response);
		}else{
			response.sendRedirect("/amberTimeCinema/login.jsp");
			
		}
	}


	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}

}
